GridinSoft Threat Intelligence

Windows Update.exe threat report

Detected as Backdoor.DarkKomet File reputation report
MD5 3f404e6db1a587a29752e564e192c69b
Latest seen 2021-09-17 20:29:07 (4 years ago)
First seen 2021-09-17 20:26:11 (4 years ago)
Size 598 KB

Why it matters

Why GridinSoft flags this file

Detection

GridinSoft identifies the sample as Backdoor.DarkKomet, part of the Backdoor threat category.

Category context

Remote-access components that can give an operator control over an affected system. Related Backdoor reports help compare this file with nearby detections, publishers, and hashes.

Timeline

First seen 2021-09-17 20:26:11 (4 years ago); latest analysis 2021-09-17 20:29:07 (4 years ago).

Publisher context

Company metadata: JVM__msBmhNERYdNu6QZZuxdQdZrcP5Fdgu. Product metadata: JVM__msBmhNERYdNu6QZZuxdQdZrcP5Fdgu.

Recommended action

What to do next

  1. Compare the MD5 above with the file found on the device.
  2. Check whether the file appears in the observed locations or under one of the alternate names.
  3. Run GridinSoft Anti-Malware to confirm the detection and remove the file if it is present. Review the Backdoor category for related samples and common context.

Windows Update.exe is a Windows file recorded in the ThreatInfo database. It is associated with JVM__msBmhNERYdNu6QZZuxdQdZrcP5Fdgu. The reported company name is JVM__msBmhNERYdNu6QZZuxdQdZrcP5Fdgu. The current detection status is Backdoor.DarkKomet, based on the latest analysis from 2021-09-17 20:29:07 (4 years ago). ThreatInfo groups this verdict with Backdoor reports for broader family-level investigation.

If Windows Update.exe appears on your computer unexpectedly, treat it as suspicious. Check its location, digital signature, and recent system changes before allowing it to run. A full anti-malware scan is recommended when this file is detected as Backdoor.DarkKomet.

Product Name: JVM__msBmhNERYdNu6QZZuxdQdZrcP5Fdgu
Company Name: JVM__msBmhNERYdNu6QZZuxdQdZrcP5Fdgu
MD5: 3f404e6db1a587a29752e564e192c69b
Size: 598 KB
First Published: 2021-09-17 20:26:11 (4 years ago)
Latest Published: 2021-09-17 20:29:07 (4 years ago)
Status: Backdoor.DarkKomet (on last analysis)
Analysis Date: 2021-09-17 20:29:07 (4 years ago)
Windows Update.exe detection screenshot

The screenshot is a visual record of a GridinSoft Anti-Malware detection for this sample. Use the hash and metadata above as the primary identifiers when comparing the file on your system.

Windows 10 100.0%

The most common operating system signal for Windows Update.exe is Windows 10 with 100.0% of observed hits. If your system differs from the common profile, check whether the file was introduced by a specific installer, archive, or removable device.

Windows Update.exe is identified as pe for 32-bit systems. The subsystem is Windows GUI. PE header values are useful for triage, especially when they do not match the expected publisher, product, or release timeline.

Format pe
Architecture 32-bit
Subsystem Windows GUI
Entry point 0x0003b92e
Image base 0x00400000

.NET Info:

MVID: 6c418d4a-2067-4096-901a-457598937841

PE Sections:

Sections 3
Raw data 611840

Section layout highlights raw-size concentration, repeated names, packer markers, and hashes that can be compared across related samples.

.text 236032 bytes · 38.6% of section data
MD5 6bd11b61f680964150d7c88cd89aff14
.rsrc 375296 bytes · 61.3% of section data
MD5 6a51d26fc6eb07d93f2cf42cf815f738
.reloc 512 bytes · 0.1% of section data
MD5 77aff0d4b349b7c824bacc5c53cc963d

PE section names and hashes can reveal packing, injected resources, or unusual build artifacts. Sections with uncommon names, very large raw data, or hashes that differ from a trusted copy deserve additional review.

Report conclusion

GridinSoft detects this file as Backdoor.DarkKomet

This report identifies Windows Update.exe by MD5 3f404e6db1a587a29752e564e192c69b. It is part of the Backdoor report group. If the same file is present on your device, scan the system and remove the detected object after confirming the hash and location.

Download GridinSoft Anti-Malware Scan the device and confirm whether this exact hash is present. Check this hash on VirusTotal

Recommended next steps

  • Compare the local file MD5 with 3f404e6db1a587a29752e564e192c69b.
  • Check the file path, publisher, and signature against the details in this report.
  • Run a GridinSoft scan and remove the object if the same hash is found. Use the Backdoor category to compare similar reports.